.-----I_____ asleep while I was reading.
题型:选择题
问题:
.-----I_____ asleep while I was reading.
-------It doesn’t matter.
A.should have fallen
B.must have fallen
C.could fall
D.must fall
.-----I_____ asleep while I was reading.
-------It doesn’t matter.
A.should have fallen
B.must have fallen
C.could fall
D.must fall